WO2005073333A1 - Composition adhésive sensible à la pression - Google Patents

Composition adhésive sensible à la pression Download PDF

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Publication number
WO2005073333A1
WO2005073333A1 PCT/JP2005/001025 JP2005001025W WO2005073333A1 WO 2005073333 A1 WO2005073333 A1 WO 2005073333A1 JP 2005001025 W JP2005001025 W JP 2005001025W WO 2005073333 A1 WO2005073333 A1 WO 2005073333A1
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WO
WIPO (PCT)
Prior art keywords
group
polymer
sensitive adhesive
adhesive composition
hydrolyzable silyl
Prior art date
Application number
PCT/JP2005/001025
Other languages
English (en)
Japanese (ja)
Inventor
Kazuhide Fujimoto
Kazuhiko Ueda
Original Assignee
Kaneka Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kaneka Corporation filed Critical Kaneka Corporation
Priority to CN2005800029649A priority Critical patent/CN1910250B/zh
Priority to US10/586,859 priority patent/US7671144B2/en
Priority to EP05709365.0A priority patent/EP1715015B1/fr
Priority to CA002554743A priority patent/CA2554743A1/fr
Priority to JP2005517465A priority patent/JP4750559B2/ja
Publication of WO2005073333A1 publication Critical patent/WO2005073333A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/329—Polymers modified by chemical after-treatment with organic compounds
    • C08G65/336—Polymers modified by chemical after-treatment with organic compounds containing silicon
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J201/00—Adhesives based on unspecified macromolecular compounds
    • C09J201/02—Adhesives based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
    • C09J201/10—Adhesives based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing hydrolysable silane groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38—Pressure-sensitive adhesives [PSA]
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2471/00—Presence of polyether
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2852—Adhesive compositions

Definitions

  • the present invention relates to a pressure-sensitive adhesive composition. More specifically, (A) an oxyalkylene-based polymer having a hydrolyzable silanol group in a molecule of 0.3 to 0.7 equivalent and a number average molecular weight of 15,000 to 100,000 (hereinafter referred to as a hydrolyzable silyl group-containing polymer). A polymer), (B) a tackifier resin, and (C) a curing catalyst.
  • pressure-sensitive adhesive compositions comprising a curable polymer mixed with a tackifier resin have been well known.
  • a pressure-sensitive adhesive composition comprising an oxyalkylene-based polymer containing a hydrolyzable silyl group and a tackifier resin contains no or almost no organic solvent. Since it can be applied without using it, it has been proposed as a pressure-sensitive adhesive composition that does not adversely affect the environment (for example, see Patent Document 1).
  • an oxyalkylene polymer having a hydrolyzable silyl group the properties of the polymer such as affinity to various adherends, hydrophilicity, and chemical stability derived from the chemical structure of the polymer are particularly high. The application to various applications including re-peeling is being studied.
  • the pressure-sensitive adhesive composition had insufficient properties required for the pressure-sensitive adhesive in terms of adhesive force, retention when sticking to a curved surface, and the like. Also, if a large amount of tackifying resin is used to increase the adhesive strength, the properties of the oxalkylene-based polymer such as affinity to various adherends, hydrophilicity, and chemical stability are impaired. became.
  • Patent Document 1 JP-A-59-71377
  • the present invention uses no or almost no organic solvent which does not impair the good affinity, hydrophilicity, chemical stability and other properties of the oxyalkylene polymer for various adherends.
  • Adhesive set that can be applied without using and has excellent adhesive properties The purpose is to provide a product.
  • A An oxyalkylene polymer having a number average molecular weight of 15,000 to 100,000 containing 0.3 to 0.7 equivalents of a hydrolyzable silyl group per molecule (hereinafter referred to as a polymer containing a hydrolyzable silyl group) ),
  • a pressure-sensitive adhesive composition containing the compound can be applied with little or no solvent, and exhibits excellent adhesive strength after curing, leading to the completion of the present invention.
  • the pressure-sensitive adhesive composition of the present invention can be applied without using or at all using an organic solvent, and has excellent pressure-sensitive adhesive properties.
  • the main chain skeleton of the (A) oxyalkylene polymer having a hydrolyzable silyl group in one molecule in an amount of 0.3 to 0.7 equivalent and having a number average molecular weight of 15,000 to 100,000 is And those having a repeating unit represented by the general formula (1).
  • R 1 is a divalent alkylene group
  • R 1 in the general formula (1) is preferably a linear or branched alkylene group having 1 to 14 carbon atoms, more preferably 4 carbon atoms.
  • Specific examples of the repeating unit represented by the general formula (1) include: f, -CH ⁇ , -CH CH ⁇ _, -CH CH (CH) ⁇ _, -CH CH (CH) ⁇ _, -CH
  • the main chain skeleton of the oxyalkylene polymer may be composed of only one type of repeating unit, or may be composed of two or more types of repeating units.
  • -CH CH (CH) ⁇ _ A polymer having a main repeating unit is preferred.
  • the main chain of the polymer may contain a repeating unit other than an oxyalkylene group.
  • the total amount of oxyalkylene units in the polymer is preferably at least 80% by weight, particularly preferably at least 90% by weight.
  • the polymer of the component (A) may be a linear polymer, a branched polymer, or a mixture thereof. However, in order to obtain good peeling properties, it is preferable that 50% by weight or more of the component (A) in the polymer is a linear polymer.
  • the molecular weight of the polymer of component (A) is preferably 15,000 to 100,000 force S, more preferably 20,000 to 50,000 force S, in terms of number average molecular weight.
  • the number average molecular weight is less than 15,000, the resulting pressure-sensitive adhesive composition becomes hard, and good pressure-sensitive adhesive properties cannot be obtained. Conversely, if the number average molecular weight exceeds 100,000, the viscosity becomes too high, and the workability is remarkably reduced.
  • the number average molecular weight can be measured by various methods, it is generally measured by conversion from terminal group analysis of an oxyalkylene polymer or by gel permeation chromatography (GPC).
  • the term “molecular weight” refers to a molecular weight determined by gel permeation chromatography (GPC).
  • the molecular weight distribution (Mw / Mn) of the polymer of the component (A) is preferably 1.6 or less, more preferably 1.4 or less, because the viscosity of the polymer is low.
  • the hydrolyzable silyl group-containing organic polymer of the present invention can be obtained by introducing a hydrolyzable silyl group into an oxyalkylene-based polymer known as a polyol or polyol having a hydroxyl group at a terminal by an appropriate method. can get.
  • Such a method for producing a polymer has been proposed, for example, in JP-A-3-72527, JP-A-3-47825, and JP-A-3-79627.
  • the oxyalkylene polymer used in the present invention may be an initiator such as a hydroxy compound having at least one hydroxyl group in the presence of a catalyst such as a metal porphyrin catalyst, a double metal cyanide complex catalyst, and a phosphazene catalyst.
  • a catalyst such as a metal porphyrin catalyst, a double metal cyanide complex catalyst, and a phosphazene catalyst.
  • a particularly preferable production method is a method using a double metal cyanide complex catalyst or a phosphazene catalyst. This is because the oxyalkylene polymers obtained by these particularly preferred methods have a low molecular weight distribution and a low viscosity and have no problem with hue.
  • the number of functional groups of the hydroxy compound used in the initiator is preferably 2 or more.
  • PPG polyoxypropylene triol
  • polyether used as the initiator include polyoxyethylene, polyoxypropylene, polyoxybutylene, polyoxyhexylene, polyoxytetramethylene, and copolymers thereof.
  • Particularly preferred polyethers are polyoxypropylene diol and polyoxypropylene triol, aryl-terminated polyoxypropylene, methallyl-terminated polyoxypropylene, and the like.
  • the hydrolyzable silyl group is a silicon-containing functional group which can be crosslinked by forming a siloxane bond.
  • silyl group represented by the following general formula (I) is a representative hydrolyzable silyl group.
  • the hydrolyzable silyl group referred to in the present invention is not limited to this.
  • R 2 is a substituted or unsubstituted monovalent organic group having 112 to 120 carbon atoms, preferably an alkyl group having 8 or less carbon atoms, a phenyl group or a fluoroalkyl group. Particularly preferred are a methyl group, an ethyl group, a propyl group, a butyl group, a hexyl group, a cyclohexyl group and a phenyl group.
  • X is a hydrolyzable group, such as a halogen atom, an alkoxy group, an alkenyloxy group, an acyloxy group, an amide group, an amino group, an aminooxy group, a ketoxime group, an acid amide group, and a hydride group.
  • the number of carbon atoms of the hydrolyzable group having a carbon atom is preferably 6 or less, and particularly preferably 4 or less.
  • Preferred hydrolyzable groups include lower alkoxy groups having 4 or less carbon atoms, especially methoxy, ethoxy, propoxy, propenyloxy and the like.
  • a is 1, 2 or 3, and particularly preferably 2 or 3.
  • the method of introducing the silicon group represented by the general formula (I) into the oxyalkylene polymer is not particularly limited, but for example, it can be introduced by the following method.
  • a method for introducing an olefin group a compound having both an unsaturated group and a functional group capable of reacting with a hydroxyl group is reacted with a hydroxyl group of an oxyalkylene polymer to form an ether bond, an ester bond, a urethane bond, or a carbonate.
  • a method of introducing an olefin group by adding an olefin group-containing epoxy conjugate, such as arylglycidyl ether, and polymerizing the alkylene oxide.
  • R 2 , X and a are the same as above.
  • R 3 is a divalent hydrocarbon group having 117 carbon atoms.
  • a oxyalkylene polymer having a functional group capable of reacting with the isocyanate conjugate is reacted with a polyisocyanate conjugate such as tolylene diisocyanate to introduce an isocyanate group.
  • W is an active hydrogen-containing group selected from a hydroxyl group, a carboxyl group, a mercapto group and an amino group (primary or secondary).
  • An olefin group is introduced into an oxyalkylene polymer having a functional group into which an olefin group can be introduced, and the olefin group is combined with a W-force S mercapto group represented by the general formula (4).
  • a method of reacting an elemental compound is provided.
  • the polymer having a hydrolyzable silyl group which is the component (II) of the present invention, preferably contains 0.30.7 equivalents of a hydrolyzable silyl group in one molecule. If the amount of the hydrolyzable silyl group in one molecule of the component (ii) is less than 0.3 equivalent, a sufficient pressure-sensitive adhesive cured product cannot be obtained. Conversely, if the equivalent is more than 0.7 equivalent, the flexibility of the cured adhesive is impaired and good adhesive properties cannot be obtained. [0025]
  • the definition of the unit "equivalent" used above is as follows.
  • tackifying resin examples include terpene resins, terpene phenol resins, petroleum resins, rosin esters, and the like. They can be used alone or, if necessary, in combination of two or more.
  • the preferred blending amount of the component (II) of the present invention is 5 to 150 parts by weight based on 100 parts by weight of the component (II). More preferably, the amount is 10 to 120 parts by weight. The most preferred range is 20-100 parts by weight. If the amount is less than 5 parts by weight, the composition may have poor tackiness.If the amount exceeds 150 parts by weight, the polymer ( ⁇ ) has good affinity to various adherends, hydrophilicity, and chemical stability. And other characteristics may be impaired.
  • silanol condensation catalysts As the curing catalyst that is the component (C) of the present invention, those conventionally known as silanol condensation catalysts can be widely used. Specific examples thereof include titanium compounds such as titanium tetrabutoxide, tetrapropyl titanate, titanium tetraacetyl acetate and titanium acetate; dibutyltin dilaurate, dibutyltin maleate, dibutyltin phthalate, dibutyltin phthalate, Tate, dibutinoresuzuge / lehexanolate, dibutinoresuzuji methinole maleate, dibutinoresuzugechinoremaleate, dibutinoresuzuge dinole maleate, dibutyltin dioctyl maleate, dibutyltin ditridecyl maleate Ethate, dibutyltin dibenzyl maleate, dibutyl tin diacetate, dioctyl tin get
  • the amount of these curing catalysts used is based on 100 parts by weight of the total amount of the organic polymer ( ⁇ ) and the tackifier resin (().
  • the resin ( ⁇ ) does not participate in the silanol condensation reaction at all) (about 100 parts by weight of the organic polymer ( ⁇ ))
  • about 0.1 to 20 parts by weight is preferable. If the amount of the curing catalyst used is too small, the curing speed may be reduced and the curing reaction may not proceed sufficiently. On the other hand, if the amount of the curing catalyst used is too large, local heat generation or foaming may occur during curing, and a good cured product may not be obtained.
  • the method for preparing the pressure-sensitive adhesive composition of the present invention is not particularly limited.
  • the above-mentioned components are mixed, kneaded at room temperature or under heat using a mixer, roll, kneader, or the like, or a suitable solvent is added.
  • Conventional methods such as dissolving and mixing the components using a small amount can be used.
  • the pressure-sensitive adhesive composition of the present invention may contain various known fillers and various additives.
  • R 2 Si (OR 2 ) (Where a is the same as above. ) May be added.
  • a silicon compound include, but are not limited to, phenyltrimethoxysilane, phenylmethyldimethoxysilane, phenyldimethylmethoxysilane, diphenyldimethoxysilane, diphenylethoxysilane, triphenylmethoxysilane, and the like.
  • At least one force of R directly bonded to a Si atom in the general formula of S is an aryl group having 620 carbon atoms, which is preferable because of a large effect of accelerating the curing reaction of the composition.
  • difluorodimethoxysilane difluoroethoxysilane is particularly preferable because it is inexpensive and easily available.
  • this silicon compound When this silicon compound is used, its compounding amount is based on 100 parts by weight of the total amount of the polymer (A) and the tackifier resin (B). For example, in the case where the tackifying resin (B) does not participate in the silanol condensation reaction at all, (in such a case) 100 parts by weight of the organic polymer (A)), about 0.01 20 parts by weight is preferable. 0.1 10 parts by weight is more preferred. If the amount of the silicon compound falls below this range, the effect of accelerating the curing reaction may be reduced. On the other hand, if the amount of the silicon compound exceeds this range, the hardness and tensile strength of the cured product may decrease.
  • a silane coupling agent, a reactant of the silane coupling agent, or a compound other than the silane coupling agent can be added to the composition of the present invention as an adhesion-imparting agent.
  • the silane coupling agent include isocyanates such as ⁇ -isocyanate propyl trimethoxy silane, ⁇ isocyanate propyl triethoxy silane, ⁇ isocyanate propyl methyl methoxy silane, and ⁇ isocyanate propyl methyl dimethoxy silane.
  • silanes ⁇ -aminopropyltrimethoxysilane, ⁇ -aminopropyltriethoxysilane, ⁇ -aminopropylmethyldimethoxysilane, ⁇ -aminopropylmethyljetoxysilane, ⁇ - (2-aminoethyl) aminopropyl Trimethoxysilane, ⁇ - (2-aminoethyl) aminopropylmethyldimethoxysilane, ⁇ _ (2-aminoethyl) aminopropyltriethoxysilane, ⁇ _ (2-aminoethyl) aminopropylmethylethoxysilane, ⁇ -ureido Amino group-containing silanes such as lopinole trimethoxysilane, ⁇ -phenyl ⁇ -aminopropyltrimethoxysilane, ⁇ ⁇ ⁇ ⁇ -benzyl- ⁇ -aminopropyltrime
  • Bull type unsaturated group-containing silanes ⁇ Halogen-containing silanes such as -propyl methoxytrimethoxysilane; and isocyanurate silanes such as tris (trimethoxysilyl) isocyanurate.
  • modified derivatives thereof such as amino-modified silyl polymers, silyl amide amino polymers, unsaturated aminosilane complexes, phenylamino long-chain alkylsilanes, aminosilylated silicones, silylated polyesters, etc., can also be used as the silane coupling agent. .
  • the amount of the polymer ( ⁇ ) and the tackifier resin ( ⁇ ) is usually 100 parts by weight based on the total amount of the polymer ( ⁇ ) and the tackifier resin ( ⁇ ).
  • the silane coupling agent is used in the range of 0.1 to 20 parts by weight (based on 100 parts by weight of (ii)). In particular, the range of 0.5 to 10 parts by weight is preferable.
  • the basic production method is a method in which the pressure-sensitive adhesive composition is applied to a support and thermosetted, and is not limited to the following examples.
  • the pressure-sensitive adhesive composition of the present invention is applied on a support with a coater, and is cured by heating to obtain a pressure-sensitive adhesive product.
  • a support films, papers, all kinds of cloths, metal foils and the like made of synthetic resin or denatured natural product can be used.
  • Specific examples of the support include polyethylene, polypropylene, polyimide, polycarbonate, polyvinyl chloride, polyester, polyurethane, cellophane, impregnated paper, coated paper, woodfree paper, kraft paper, cloth, acetate cloth, nonwoven cloth, glass cloth, Metal foil, but is not limited to these. Each of these may be used alone, or at least two or more thereof may be used in a laminated form.
  • a method of directly applying to a support or a method of applying to a release paper, curing and transferring to a substrate can be applied.
  • a release paper coated with a release agent of a silicone type, an olefin type, a fluorine type, or the like can be used. From the viewpoints of cost and securing the releasability, it is particularly preferable to use an olefin-based or solvent-free silicone-based release agent.
  • the method of thermosetting is not particularly limited.
  • the temperature varies depending on the type of the polymer to be used, the compound to be added, and the like, but is usually preferably in the range of 50 ° C to 180 ° C.
  • the curing time varies depending on the polymer used, the compound to be added, the reaction temperature, etc., but is usually within a range of 0.1 minute to 24 hours, preferably 1 minute to 10 hours, and more preferably 1 minute to 1 hour. is there.
  • the pressure-sensitive adhesive composition of the present invention can be used for various types of pressure-sensitive adhesive products for general office use, paper wrapping, PP film bonding, re-peeling, general packaging, electricity, and fixing.
  • An adhesive product using the adhesive composition of the present invention includes an adhesive tape for packaging, an office adhesive tape, a coating masking tape, an electrical insulating adhesive tape, a binding adhesive tape, a protective adhesive tape, and an identification tape.
  • a drug in making the above adhesive product, a drug, an electromagnetic wave absorbing material, a light absorbing agent, a foaming component, and the like can be added according to these uses.
  • composition of the present invention will be specifically described with reference to examples. It is not limited to examples only.
  • GPC measurement (polystyrene) was carried out by polymerizing propylene oxide using a zinc hexacyanocobaltate glyme complex as the initiator, which is Pact-23 (polyoxypropylene glycol, manufactured by Mitsui Takeda Co., Ltd.).
  • Pact-23 polyoxypropylene glycol, manufactured by Mitsui Takeda Co., Ltd.
  • Conversion A polyoxypropylene glycol having a number average molecular weight of 31,000 and Mw / Mn of 1.2 was produced, and the terminal hydroxyl group was metaloxylated.
  • GPC measurement (polystyrene) was carried out by polymerizing propylene oxide using a zinc hexacyanocobaltate glyme complex as the initiator, which is Pact-23 (polyoxypropylene glycol, manufactured by Mitsui Takeda Co., Ltd.).
  • Pact-23 polyoxypropylene glycol, manufactured by Mitsui Takeda Co., Ltd.
  • Conversion A polyoxypropylene glycol having a number average molecular weight of 31,000 and Mw / Mn of 1.2 was produced, and the terminal hydroxyl group was metaloxylated.
  • GPC measurement (polystyrene) was carried out by polymerizing propylene oxide using a zinc hexacyanocobaltate glyme complex as the initiator, which is Pact-23 (polyoxypropylene glycol, manufactured by Mitsui Takeda Co., Ltd.).
  • Pact-23 polyoxypropylene glycol, manufactured by Mitsui Takeda Co., Ltd.
  • (Conversion) Polyoxypropylene glycol having a number average molecular weight of 26000 and Mw / Mn of 1.4 was produced, and then ⁇ -isocyanate propionoletrimethoxysilane (Y-5187 manufactured by Nippon Tunicer) was added to all the terminal hydroxyl groups.
  • GPC measurement (polystyrene) was carried out by polymerizing propylene oxide using a zinc hexacyanocobaltate glyme complex as the initiator, which is Pact-23 (polyoxypropylene glycol, manufactured by Mitsui Takeda Co., Ltd.).
  • Pact-23 polyoxypropylene glycol, manufactured by Mitsui Takeda Co., Ltd.
  • Conversion A polyoxypropylene glycol having a number average molecular weight of 31,000 and Mw / Mn of 1.2 was produced, and the terminal hydroxyl group was metaloxylated.
  • YS Polyester S-145 Tepenphenol resin manufactured by Yasuhara Chemical Co., Ltd. 100 parts by weight of a polymer obtained by adding ORGATICS TC-100 (Titanium acetate acetate manufactured by Matsumoto Trading Co., Ltd.) 4 parts by weight with respect to The mixture was stirred to obtain a pressure-sensitive adhesive composition.
  • This pressure-sensitive adhesive composition is applied to a 38- ⁇ m-thick polyester film so as to have a width of 8 cm and a thickness of 100 zm, and is cured by heating at 130 ° C for 3 minutes to form a pressure-sensitive adhesive film. Obtained.
  • the obtained adhesive film was cut into strips with a width of 25 mm, and the surface was polished with a No. 280 sandpaper.
  • a stainless steel plate with a width of 25 mm was adhered to a SUS304 adherend. After leaving for 60 minutes, the force required for peeling was measured. .
  • the peeling temperature and speed at that time were 300 mmZmin at 23 ° C, and the peeling angle was 180 degrees. Table 2 shows the results.
  • Example 1 and Comparative Examples 1-2 are applied on an aluminum plate having a thickness of 2 mm so that the pressure-sensitive adhesive has a thickness of 100 xm, and heated at 130 ° C for 3 minutes. Cured.
  • the obtained aluminum plate with an adhesive was wound around a stainless steel cylinder having a diameter of 5.5 cm, pressed for 20 seconds and allowed to stand, thereby confirming the adhesiveness when the adhesive was stuck on a curved surface.
  • Table 3 shows the results.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

Une composition adhésive sensible à la pression qui comprend (A) un polymère à base d’oxyalkylène qui contient de 0,3 à 0,7 équivalent d’un groupe silylé hydrolysable dans une molécule de celui-ci et présente un poids moléculaire moyen en nombre de 15 000 à 100 000 (un polymère contenant un groupe silylé hydrolysable), (B) une résine collante et (C) un catalyseur de durcissement. La composition adhésive sensible à la pression susmentionnée peut être appliquée dans un état dans lequel aucun ou pratiquement pas de solvant organique n’est contenu et présente également d’excellentes caractéristiques adhésives.
PCT/JP2005/001025 2004-01-30 2005-01-26 Composition adhésive sensible à la pression WO2005073333A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2005800029649A CN1910250B (zh) 2004-01-30 2005-01-26 粘合剂组合物
US10/586,859 US7671144B2 (en) 2004-01-30 2005-01-26 Pressure sensitive adhesive composition
EP05709365.0A EP1715015B1 (fr) 2004-01-30 2005-01-26 Composition adhesive sensible a la pression
CA002554743A CA2554743A1 (fr) 2004-01-30 2005-01-26 Composition adhesive sensible a la pression
JP2005517465A JP4750559B2 (ja) 2004-01-30 2005-01-26 粘着剤組成物

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004-024172 2004-01-30
JP2004024172 2004-01-30

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WO2005073333A1 true WO2005073333A1 (fr) 2005-08-11

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US (1) US7671144B2 (fr)
EP (1) EP1715015B1 (fr)
JP (1) JP4750559B2 (fr)
CN (1) CN1910250B (fr)
CA (1) CA2554743A1 (fr)
WO (1) WO2005073333A1 (fr)

Cited By (12)

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WO2007142067A1 (fr) * 2006-06-02 2007-12-13 Kaneka Corporation Composition durcissable
WO2008123552A1 (fr) 2007-04-03 2008-10-16 Asahi Glass Company, Limited Matériau adhésif, feuille adhésive et utilisation de ladite feuille adhésive
WO2010013653A1 (fr) 2008-07-28 2010-02-04 旭硝子株式会社 Matière adhésive, feuille adhésive sensible à la pression et leur utilisation
WO2010026995A1 (fr) 2008-09-05 2010-03-11 旭硝子株式会社 Matériau adhésif, feuille adhésive et utilisation associée
WO2010038715A1 (fr) * 2008-09-30 2010-04-08 コニシ株式会社 Procédé pour produire une bande ou feuille adhésive
WO2010041667A1 (fr) * 2008-10-08 2010-04-15 旭硝子株式会社 Stratifié adhésif
JP2011506737A (ja) * 2007-12-21 2011-03-03 ボスティク エス．アー． 温度安定性に優れた接着力を有する感圧接着剤
WO2011132749A1 (fr) 2010-04-23 2011-10-27 旭硝子株式会社 Stratifié adhésif et couche de protection de surface
JP2013032450A (ja) * 2011-08-02 2013-02-14 Kaneka Corp 粘着剤組成物
JP2014509329A (ja) * 2010-12-28 2014-04-17 ボスティク エス．アー． 架橋方法およびその関連装置
WO2015079904A1 (fr) * 2013-11-26 2015-06-04 リンテック株式会社 Feuille adhésive pour la fixation temporaire de composant électronique et procédé d'utilisation de la feuille adhésive pour la fixation temporaire de composant électronique
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US7671144B2 (en) 2010-03-02
CA2554743A1 (fr) 2005-08-11
CN1910250A (zh) 2007-02-07
EP1715015A1 (fr) 2006-10-25
EP1715015B1 (fr) 2016-10-26
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JP4750559B2 (ja) 2011-08-17
CN1910250B (zh) 2010-05-05

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